test for Cabal where exec depends on its lib and its fix code.

test/data/ghc-mod-check/ghc-mod-check.cabal

@@ -0,0 +1,27 @@
+-- Initial ghc-mod-check.cabal generated by cabal init.  For further
+-- documentation, see http://haskell.org/cabal/users-guide/
+
+name:                ghc-mod-check
+version:             0.1.0.0
+synopsis:            check test
+-- description:
+license:             BSD3
+license-file:        LICENSE
+author:              Kazu Yamamoto
+maintainer:          kazu@iij.ad.jp
+-- copyright:
+category:            Data
+build-type:          Simple
+cabal-version:       >=1.8
+
+library
+  -- exposed-modules:
+  -- other-modules:
+  build-depends:       base
+  exposed-modules:     Data.Foo
+
+executable foo
+  Main-Is:              main.hs
+  GHC-Options:          -Wall
+  Build-Depends:        base >= 4 && < 5
+                      , ghc-mod-check